>> goode: china alone is probably in the hundreds of millions of dollars. this trade flourishes because the payoff is huge and the chance of getting prosecuted and incarcerated are very low. >> stahl: if you're going to be in something illicit, this is the safest or one of the safest. >> goode: and that's a tragedy. >> stahl: eric goode is spending a million dollars a year of his own money to fight the trade in places like madagascar, an island off the coast of africa, that's vastly undeveloped. >> goode: people are so poor, some of these villages make less than a dollar a day, or it's basically subsistence living. and there just simply isn't the political will of the country to really enforce, you know, what's going on with their natural heritage, whether it's tortoises or other wildlife. >> stahl: fly over madagascar and you can see why conservationists say it's bleeding to death-- rivers run red with soil erosion from logging and slash-and-burn agriculture that have wiped out animal habitats and 90% of the country's forests. and yet, because of its isola